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Claim This BusinessK Komfort Heating & Cooling has served southeastern Wisconsin homeowners since 2007, operating from their base in Grafton. The company holds full licensing and maintains a 4.4-star average across 69 verified reviews, offering round-the-clock furnace repair and complete HVAC services. Their residential and commercial offerings span air conditioning, heat pumps, gas furnaces, boilers, water heaters, indoor air quality solutions, and new construction projects. Technicians service properties throughout the Milwaukee metro area, including surrounding communities where climate extremes demand reliable heating and cooling year-round.
What distinguishes K Komfort is their status as a Carrier factory-authorized dealer, giving homeowners access to brand-specific equipment, warranties, and rebates. The company participates in Wisconsin's Focus on Energy program, offering qualifying customers up to $8,000 in rebates when purchasing electric heat pumps. Their service menu includes specialized options rarely found locally, such as radiant floor heating installation, radon testing, and zone control systems for customized temperature management across different areas of a home. All work is backed by a satisfaction guarantee, and the company provides financing options for major equipment purchases.
Customer reviews reveal technicians who arrive when promises are made. One homeowner described how Brandon fit them in on the same day during a brutal Wisconsin heat wave, installing a new AC unit, furnace, and piping within hours while protecting their flooring with sticky plastic runners. Reviewer Collin was praised for explaining all options transparently, helping customers prioritize immediate needs versus future considerations without pressuring upsells. During a snowstorm, another customer received emergency assistance within one hour of calling, highlighting the 24/7 availability that reviewers consistently mention.
69 reviewers give K Komfort a 4.4-star average, with positive feedback centered on same-day emergency response and transparent diagnostic explanations. Negative reviews cite pricing concerns and occasional communication gaps around scheduling callbacks.
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Gas furnace repair, replacement, and new installation services. As a Carrier dealer, they install Carrier gas furnaces and handle repairs across all major brands.
Central AC repair, replacement, and new installation including emergency service. One reviewer described a same-day full AC and furnace replacement during a heat wave.
Heat pump installation and repair, including ductless mini-split systems. Qualifies for Focus on Energy rebates up to $8,000 for electric heat pump purchases.
Commercial heating and cooling services including design-build new construction projects and ongoing maintenance contracts for businesses in southeastern Wisconsin.
Radon testing, air duct cleaning, and indoor air quality assessments. They also install Carrier IAQ products to improve home air quality.
Boiler installation and repair services, as well as radiant floor heating systems for homes seeking alternative heating methods.
Preventive maintenance services and Energy Savings Agreements for ongoing HVAC care. They offer 24/7 emergency service as part of their maintenance programs.
Water heater repair and installation, with one reviewer noting emergency water heater leak service during summer months.